<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>下拉列表</title>
</head>
<body>

<select name="" id="">
    <option value="北京">北京</option>
    <option value="上海">上海</option>
    <option value="广东" selected>广东</option>
</select>

</body>
</html>